Dan, an Iowa farmer, summarized the problem in a 16-word Twitter post last month: "$4 cash corn. Same as when I started in 2010, but cash rents are $100 higher." He could have added: Something's gotta give.

DTN's national average cash price index--a collection of cash bid data from almost 3,000 locations across the U.S.--slid to $3.52 last Friday. This is the lowest weekly close since the week of July 12, 2010, notes DTN Senior Analyst Darin Newsom and down from nearly $5 in mid-May.

It's early in the game, but the price crash means momentum is building for 2015 ...

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Dr. Dan Talks Agronomy
Can you trim inputs while growing soybeans in 2015? Here's a look at what you can and can't cut.